my only surprise is that voters want to talk about bush's response to katrina at all in any context. i would think they'd want to be eight counties away from any discussion of that. >> republicans are also trying to get traction on the joe biden remarks and besides the video, it's become part of paul ryan's stump speech. >> vice president biden just today said that the middle class over the last four years has been quote, buried. we agree. of course the middle class has been buried. they're being burieded by regulatio regulations, taxes, by borrowing. they're being buried by the obama administration's economic failures. >> major, does joe biden's statement, this video, do either play into the debate tonight? >> i don't think the video is going to play into the debate. you look at what pollsters find from surveying voters, they want to nope, especially tonight, what is your characterization of president obama, what's you've done for four years, mitt romney and what are you going to do going forward. i do not expect this to be about a video from 2007. i think if romney were to do that,